%0 Journal Article %A V. I. Danchenko %A M. A. Komarov %A P. V. Chunaev %T Extremal and approximative properties of simple partial fractions %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2018 %P 9-49 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2018_12_a1/ %G ru %F IVM_2018_12_a1